The price of petroleum is rising steadily. Have a severe impact on the overall economy. And may hinder the economic growth of the country's present and future. Because Thailand is not enough oil to meet demand. The need to rely on imports from abroad. While demand is increasing sequentially. The fuel used in the transportation sector are major. Therefore, to accelerate the development of renewable petroleum. The renewable diesel The research and development of local raw materials such as oil plants. To produce a product substitute fuel called biodiesel (Biodiesel).